package com.wpf.test01;

public class demo {

    public static void main(String[] args) {
        People.Student s1 = new People().new Student();
        s1.test01();
//        s1.getAge();


//        People.Teacher t1 = new People().new Teacher();
//        t1.test01();

        People.Teacher in = new People.Teacher();
    }
}
